Home / 1,036,761.26-1,555,036.72-278,504.20

Finding the Fourth Proportional to 1,036,761.26, 1,555,036.72 and 278,504.20

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Solution

The fourth proportional to 1,036,761.26, 1,555,036.72 and 278,504.20 is: 417,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,761.26 : 1,555,036.72 = 278,504.20 : x
  2. Step 2: Convert to fraction form
    1,036,761.26/1,555,036.72 = 278,504.20/x
  3. Step 3: Cross multiply
    1,036,761.26x = 1,555,036.72 × 278,504.20
  4. Step 4: Simplify right side
    1,036,761.26x = 433,084,257,674.22
  5. Step 5: Solve for x
    x = 433,084,257,674.22/1,036,761.26
  6. Step 6: Final answer
    x = 417,728.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.